7y-12=20

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Solution for 7y-12=20 equation: 


Simplifying
7y + -12 = 20

Reorder the terms:
-12 + 7y = 20

Solving
-12 + 7y = 20

Solving for variable 'y'.

Move all terms containing y to the left, all other terms to the right.

Add '12' to each side of the equation.
-12 + 12 + 7y = 20 + 12

Combine like terms: -12 + 12 = 0
0 + 7y = 20 + 12
7y = 20 + 12

Combine like terms: 20 + 12 = 32
7y = 32

Divide each side by '7'.
y = 4.571428571

Simplifying
y = 4.571428571

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